Journal of University of Chinese Academy of Sciences >
Source apportionment of size-resolved ambient fine particulate matter in Hangzhou
Received date: 2013-02-21
Revised date: 2013-07-12
Online published: 2014-05-15
Samples of ambient fine particulate matter were collected using Andersen cascade sampler. The contributions of secondary organic carbon (SOC) to particulate matter in different sizes were determined by the "OC/EC minimum ratio" technique. The sources of size-resolved fine particulate matter in Hangzhou were analyzed using the CMB model. The results showed that secondary aerosol and vehicle exhaust were the major sources in small-size segment. The contribution of suspended dust, cement dust, and fly ash gradually increased in coarse segment, and the contribution of secondary particles and vehicle exhaust dropped to about 50%.
Key words： fine particulate matter; size-resolved source apportionment; CMB; SOC
SHEN Jiandong , JIAO Li , XU Chang , HE Xi , YING Fang , HONG Shengmao . Source apportionment of size-resolved ambient fine particulate matter in Hangzhou[J]. Journal of University of Chinese Academy of Sciences, 2014 , 31(3) : 367 -373 . DOI: 10.7523/j.issn.2095-6134.2014.03.011
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